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racketboy
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Post by racketboy »

marurun wrote:I really don't think games will fully, or even measurably, take advantage of quad core CPUs by the time your system is no longer top of the line. Now, if you are a Photoshop junkie, do 3D rendering, or love RayTracing (POV FTW) then the quad core might make a bit of sense, particularly if the price difference isn't much.

Now, look at the down sides. If you have 4 cores and nothing really pushes more than 2 of them, that means 2 idle cores are sitting around generating heat and using up power. Not nearly as much as a system under load, mind you, but they will still be running at some level.
Even then, you have to be doing a lot of those things at the same time.
Dual core kinda interests me since I'm compressing a lot of video from my Media Center PC down to xvid while I'm doing Photoshop and other stuff, but I can't think of how I would use quad-core unless Photoshop or encoders really start taking advantage of it.
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Mozgus
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Post by Mozgus »

racketboy wrote:Even then, you have to be doing a lot of those things at the same time.
Dual core kinda interests me since I'm compressing a lot of video from my Media Center PC down to xvid while I'm doing Photoshop and other stuff, but I can't think of how I would use quad-core unless Photoshop or encoders really start taking advantage of it.
I havent seen any benchmarks show ANY improvement on encoding audio or video on a multicore. Not yet anyway. It kind of frustrates me too. For example whenever I'm encoding using LAME or XVID, my processor never breaks 50% usage.
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lordofduct
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Post by lordofduct »

Mozgus wrote:
racketboy wrote:Even then, you have to be doing a lot of those things at the same time.
Dual core kinda interests me since I'm compressing a lot of video from my Media Center PC down to xvid while I'm doing Photoshop and other stuff, but I can't think of how I would use quad-core unless Photoshop or encoders really start taking advantage of it.
I havent seen any benchmarks show ANY improvement on encoding audio or video on a multicore. Not yet anyway. It kind of frustrates me too. For example whenever I'm encoding using LAME or XVID, my processor never breaks 50% usage.
I haven't really noticed any faster speeds in the actual job of doing the task of encoding... BUT the multi-tasking while encoding has increased for me. Before if I was encoding, watching a xvid file simultaneousily was a drag... fastforwarding was useless, during play the video would chop up (get those big blocky artifacts that aren't actually there), and audio would cut out.

Now I can encode an xvid, record a TV show (which is done with hardware MPEG2 encoder, so that helps as well), and watch another TV show all while still working in Photoshop/3Ds max, Visual C# express and surfing the web.

as for rendering any code I wrote while doing all that... yeah, as one would expect, performance comes to a screeching halt.
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Mozgus
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Post by Mozgus »

lordofduct wrote:I haven't really noticed any faster speeds in the actual job of doing the task of encoding... BUT the multi-tasking while encoding has increased for me. Before if I was encoding, watching a xvid file simultaneousily was a drag... fastforwarding was useless, during play the video would chop up (get those big blocky artifacts that aren't actually there), and audio would cut out.
Hell yeah. I often play modern games while I'm encoding episodes of Adult Swim shows for my miniplayer and I feel NOTHING from it. I now understand the importance of multi-core's most advertised benefit.
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